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Finding the Fourth Proportional to 33,331.60, 50,004.60 and 9,960.40

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Solution

The fourth proportional to 33,331.60, 50,004.60 and 9,960.40 is: 14,942.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,331.60 : 50,004.60 = 9,960.40 : x
  2. Step 2: Convert to fraction form
    33,331.60/50,004.60 = 9,960.40/x
  3. Step 3: Cross multiply
    33,331.60x = 50,004.60 × 9,960.40
  4. Step 4: Simplify right side
    33,331.60x = 498,065,817.84
  5. Step 5: Solve for x
    x = 498,065,817.84/33,331.60
  6. Step 6: Final answer
    x = 14,942.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.